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1、Units15～16DestinationsTheUnitedStatesofAmerica●说明文(2009·上海卷C篇)“Getyourhandsoffme,Ihavebeenstolen，”thelaptop,aportablecomputer,shouted.Thatisanewsolutiontolaptopcomputertheft:aprogramthatletsownersgivetheirpropertyavoicewhenithasbeentaken.Theprogramallowsuserstodisplayalertsonthemissingcomp
2、uter’sscreenandeventosetaspokenmessage.Trackingsoftwareforstolenlaptopshasbeenonthemarketforsometime,butthisisthoughttobethefirstthatallowsownerstogivethethiefapieceoftheirmind.Ownersmustreporttheirlaptopmissingbyvisitingawebsite,whichsendsamessagetothemodel:aredandyellow“lostorstolen”sign
3、appearsonitsscreenwhenitisstarted.Underthelatestversion(版本)ofthesoftware,userscanalsosendaspokenmessage.Themessagecanbesettoreappearevery30seconds,nomatterhowmanytimesthethiefclosesit.“Onecustomersentamessagesaying,‘Youarebeingtracked.Iamrightatyourdoor’，”saidCarrieHafeman,chiefexecutiveof
4、thecompanywhichproducestheprogram,Retriever.Inthelatestversion,peoplecanaddaspokenmessage.Forexample,thelaptop’sspeakerswillsay:“Help,thislaptopisreportedlostorstolen.Ifyouarenotmyowner,reportmenow.”TheRetrieversoftwarepackage,whichcosts$29.95buthasafreetrialperiod,hasthefunctionsofmanysec
5、uritysoftwareprograms.Ownerscanremotelyswitchtoanalternativepasswordiftheyfearthatthethiefhasalsogotholdoftheaccessdetails.IfathiefaccessestheInternetwiththestolenlaptop,RetrieverwillcollectInformationontheInternetserviceproviderinuse,sothatthepolicecanbealertedtoitslocation.Thousandsoflap
6、topsarestoleneveryyearfromhomesandoffices,butwiththeuseoflaptopsincreasing,thenumberstolenwhiletheirownersareoutandabouthasbeenrisingsharply.Othersecuritysoftwareallowsuserstoerasedataremotelyorlockdownthecomputer.72．Theexpression“togivethethiefapieceoftheirmind”canbeunderstoodas“_____”．A．
7、togivethethiefanalertmindB．toexpresstheowners’angertothethiefC．toremindthethiefofthisconscienceD．tomakethethiefgiveuphismind73．Differentfromothersecuritysoftware,Retrievercan________.A．recordthestealingprocessB．helprecognizethelostlaptopC．lockdownthecomputerre
